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(D) Louis Pasteur successfully demonstrated that life comes only from pre-existing life (Biogenesis) through his famous 'swan-neck flask' experiment.I

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Killed yeast

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(D) Louis Pasteur successfully demonstrated that life comes only from pre-existing life (Biogenesis) through his famous 'swan-neck flask' experiment.In this experiment,he used a nutrient broth containing killed yeast to ensure that no pre-existing microorganisms were present initially.By boiling the broth,he sterilized it,and the long,curved neck of the flask prevented airborne microbes from reaching the broth.Since no life appeared in the sterilized broth until the neck was broken or tilted,it proved that life does not arise spontaneously from non-living matter.

What was used in the experiment to prove that life arises only from pre-existing life?

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